wxapp.configure = function() {
    var n = {};
    return {
        set: function(t, r) {
            n[t] = r;
        },
        get: function(t) {
            return n[t];
        },
        commit: function(t) {
            var r = n[t];
            return n[t] = null, r;
        }
    };
}();